The len() function returns the number of items in an object. When the object is a string, the len() function returns the number of characters in the string.

Nov 16, 2024 · To get the length of a string in Python, you use len() with the string as an argument, like len("example"). To find the length of a list in Python, you pass the list to len(), like len([1, 2, 3]). The len() function operates in constant time, O …

Apr 15, 2025 · The len() function counts and returns this number. Syntax of len() function. len(object) Parameter: object is a sequence (such as a string, list, tuple) or collection (such as a dictionary, set) whose length is to be calculated. Returns: An integer value indicating the number of items in the object. Examples of using len() function

Aug 26, 2024 · Learn how to use the powerful len() function to determine the length (number of elements) in your Python lists. We’ll explore its importance, usage, and common pitfalls to help you master this essential programming skill.

Dec 28, 2022 · This article discusses how to find the position of a character in a string in python. To find the position of a character in a string, we will first find the length of the string using the len () function. The len () function takes a string as its input argument and returns the …

Summary: in this tutorial, you will learn how to use the Python len() function to get the number of items of an object. Introduction to the Python len() function # The len() function returns the number of items (length) of an object. Here’s the syntax of the len() function: len(s) Code language: Python (python)

Feb 24, 2022 · In this article, I'm going to show you how to get the length of a string with the len() function. Basic Syntax for len() in Python. To use the len() function to get the length of a data type, assign the data type to a variable, then pass the variable name to the len() function. Like this: len(variableName)

Feb 1, 2020 · The len() method returns the length of an object, whether that be a list, a string, tuple, or dictionary. len() takes one argument, which can be a sequence (such as a string, bytes, tuple, list, or range) or collection (such as a dictionary, set, or frozen set).

Feb 11, 2025 · This guide provides a detailed explanation of how to use Python's len() function. From the basics of retrieving the length of lists and strings to advanced usage and error handling, this article offers valuable insights for both beginners and intermediate users.

Jan 29, 2025 · The `len()` function is a built-in function in Python that provides crucial information about the size of a list. Understanding how to use `len()` with lists is essential for various programming tasks, such as iterating over elements, allocating memory, and validating data.